Javier Luraschi created ARROW-3702:
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Summary: [R] POSIXct mapped to DateType not TimestampType?
Key: ARROW-3702
URL: https://issues.apache.org/jira/browse/ARROW-3702
Project: Apache Arrow
Issue Type: Improvement
Components: R
Reporter: Javier Luraschi
Why was POSIXct mapped to
[datatype|https://arrow.apache.org/docs/cpp/classarrow_1_1_date_type.html#a6aea1fcfd9f998e8fa50f5ae62dbd7e6]
not
[timestamp|https://arrow.apache.org/docs/cpp/classarrow_1_1_timestamp_type.html#a88e0ba47b82571b3fc3798b6c099499b]?
What are the PRO/CONs from each approach?
This is mostly to interoperate with Spark which choose to map POSIXct to
Timestamps since in Spark, not Arrow, dates do not have a time component. There
is a way to make this work in Spark with POSIXct mapped to DateType by mapping
DateType to timestamps, so mostly looking to understand tradeoffs.
One particular question, timestamps in arrow seem to support timezones,
wouldn't it make more sense to map POSIXct to timestamps?
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